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154165 (2002 GR65)
Classification: Main-belt Asteroid          SPK-ID: 2154165
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04586307445857567 3.6599e-08  
a 2.94278048020304 2.3255e-08 au
q 2.807815519924245 1.016e-07 au
i 3.196460312099033 3.6505e-06 deg
node 108.0531907575615 0.00011353 deg
peri 168.7119536217233 0.00013463 deg
M 143.5691523100877 7.3067e-05 deg
tp 2458265.150397106236
(2018-May-26.65039711)
0.00037414 TDB
period 1843.890924911135
5.05
2.1857e-05
5.984e-08
d
yr
n .1952393143956441 2.3143e-09 deg/d
Q 3.077745440481835 2.4322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      10136 days (27.75 yr)  
   first obs. used      1992-04-07  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5554  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:02:28  

Additional Information
 Earth MOID = 1.79148 au 
 Jupiter MOID = 1.97067 au 
 T_jup = 3.268 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457107.5 (2015-Mar-26.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04859617801069978 3.6194e-08  
q 2.798254056415444 1.0069e-07 au
tp 2456425.275761737745
(2013-May-12.77576174)
0.00035571 TDB
node 108.1591518114874 0.00011356 deg
peri 169.2997731362086 0.00013274 deg
i 3.196539442175753 3.6503e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      10136 days (27.75 yr)  
   first obs. used      1992-04-07  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5554  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 20:02:28  

Additional Information
 Jupiter MOID = 1.97067 au 
 T_jup = 3.268 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.310016947793169E-15 -3.567565223927215E-15 -1.99459500161819E-12 4.360757764746312E-15 -3.996118473926968E-13 5.102877136765267E-16
q -3.567565223927215E-15 1.013868842267772E-14 5.340966941056813E-12 -1.158450874100699E-14 1.099099530157028E-12 -1.095367620518769E-15
tp -1.99459500161819E-12 5.340966941056813E-12 1.265317064612438E-7 -1.218949751995567E-10 2.451789536025788E-8 -6.2015727937992E-12
node 4.360757764746312E-15 -1.158450874100699E-14 -1.218949751995567E-10 1.28969675480794E-8 -1.29001205094933E-8 -2.291180306717462E-11
peri -3.996118473926968E-13 1.099099530157028E-12 2.451789536025788E-8 -1.29001205094933E-8 1.761933201254883E-8 2.168126711779422E-11
i 5.102877136765267E-16 -1.095367620518769E-15 -6.2015727937992E-12 -2.291180306717462E-11 2.168126711779422E-11 1.332484273482366E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.2   n/a MPO454000  

154165 (2002 GR65)          Discovered 2002-Apr-08 by NEAT at Palomar
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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